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Added Insertion sort in javascript. #540

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Added Insertion sort in javascript. #540

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15 changes: 15 additions & 0 deletions InsertionSort.js
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Original file line number Diff line number Diff line change
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function insertionSort(inputArr) {
let n = inputArr.length;
for (let i = 1; i < n; i++) {
// Choosing the first element in our unsorted subarray
let current = inputArr[i];
// The last element of our sorted subarray
let j = i-1;
while ((j > -1) && (current < inputArr[j])) {
inputArr[j+1] = inputArr[j];
j--;
}
inputArr[j+1] = current;
}
return inputArr;
}